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Burdekin: Statement of Changes in Water Assets and Water Liabilities

For the water account period 1 July 2024 to 30 June 2025

  • The volume of water in Burdekin's storages increased by 108 GL during 2024–25.
  • This increase represents the change in water volume in the region's surface water storages.

Schematic representation of the water flows associated with the Burdekin region's water stores, as well as the change to the region's water storage during the current reporting period.

The Statement of Changes in Water Assets and Water Liabilities provides a detailed breakdown of the actual water flows associated with the Burdekin region's water stores over the past six water accounting periods ending 30 June, as well as the changes in water assets and water liabilities that occurred during each reporting period.

To view the Statement of Changes in Water Assets and Water Liabilities, scroll down to the table below.

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 2025 (ML)2024 (ML)2023 (ML)2022 (ML)2021 (ML)2020 (ML)
Water inflows
Surface water inflows32,727,6946,106,28711,932,9706,260,54310,612,4752,742,522
Precipitation on storages269,089147,192241,867149,491136,589103,254
Precipitation on rivers514,955153,801262,154148,771161,69271,175
Flood return734,533153,885319,628121,994230,91429,492
Runoff31,209,1175,651,40911,109,3215,840,28710,083,2802,538,601
 
Groundwater inflows1,143,151825,553903,968737,028788,841654,951
Recharge from surface water*1,080,251762,651867,303694,422738,795579,687
Managed aquifer recharge of individuals62,90062,90236,66542,60650,04675,264
Other groundwater increases------
 
Total water inflows33,870,8456,931,84012,836,9386,997,57111,401,3163,397,473
Water outflows
Surface water outflows37,253,0528,508,52814,080,6177,396,32511,459,5724,753,317
Evaporation from storages499,801457,817510,858473,462452,899514,347
Evaporation from rivers357,789248,154297,323210,806232,249164,703
Outflow to sea33,399,7986,054,72511,273,1975,051,7908,938,7352,609,208
Overbank flow1,338,096282,469574,505245,201397,90281,345
Recharge to groundwater*1,080,251762,651867,303694,422738,795579,687
Allocated diversion to individual users70,36172,56240,95046,37497,381103,338
Allocated diversion to industrial users13,70626,30123,70627,383--
Allocated diversion to inter-region users10,85712,70012,70012,70012,53920,108
Allocated diversion to irrigation users314,828427,830317,478454,166429,153520,330
Allocated diversion to other users267305306342--
Allocated diversion to urban users9971,0929761,4131,8802,212
Non-allocated diversion to individual users----158,039158,039
Non-allocated diversion to irrigation users29293029--
Non-allocated diversion to other users137,900133,485132,859149,811--
Non-allocated diversion to stock and domestic users28,37228,40828,42628,426--
 
Groundwater outflows152,357118,95994,000106,635148,028147,521
Non-allocated extraction to individual users----148,028147,521
Non-allocated extraction to commercial users105104104104--
Non-allocated extraction to industrial users1,1521,0291,232679--
Non-allocated extraction to irrigation users149,551116,29191,022103,720--
Non-allocated extraction to mining users140140140556--
Non-allocated extraction to other users313447338364--
Non-allocated extraction to stock and domestic users688648648648--
Non-allocated extraction to urban users408300516564--
Other groundwater decreases------
 
Total water outflows37,405,4098,627,48714,174,6177,502,96011,607,6004,900,838
 
Unaccounted-for difference3,642,2191,800,0121,192,786547,229240,2371,409,244
 
 
Change in water storage      
Change in surface water storage107,655104,365(144,893)41,84075,856(129,254)
Change in groundwater storage0000(41,903)35,133
Total change in water storage107,655104,365(144,893)41,84033,953(94,121)
 
Closing water storage2,227,2342,119,5792,015,2142,160,1072,118,2672,084,314
 
 
Change in water liability
Surface water liability(269,898)0269,898(159,976)51,825(11,662)
Surface water carryover(269,898)0269,898(159,976)51,825(11,662)
 
Groundwater liability------
Total change in water liability(269,898)0269,898(159,976)51,825(11,662)
Net change in water assets377,553104,365(414,791)201,816(17,872)(82,459)

* between-store flows

Note: quantification approaches used to derive each item volume are provided in the Methods